Seiko Cal. 5285 - 392

The 5285-392 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5285 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-165de77738b3]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1985

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